人教版九年级英语上册《Teenagers should be allowed to choose their own clothes》SectionB PPT教学课件(第3课时)，共28页。
Objectives
To summarize the passive voice: must be done.
To think about school/class/family rules and express agreement or disagreement.
To write a diary entry about rules at home.
Warm up
What rules do you have at home?
Do you have any rules about eating, sleeping, housework, homework, or making friends?
Write a diary entry explaining which rule(s) you do not agree with at home and how you think the rule(s) should be changed.
Use the following expressions to help you:
I do not agree with …
I think I should be allowed to …
I would like to …
I could … if I …
Writing
Write a letter to your parents to tell them what decisions you want to make for yourself and give your reasons.
Review
含有情态动词的被动语态的结构
含有情态动词的被动语态表示具有一定感情色彩的被动性动作。其基本句式如下：
肯定句式：主语 + 情态动词 + be + 过去分词 + 其他.
►A dictionary should be bought at once.
►The computer must be repaired now.
否定句式：
主语 + 情态动词 + not + be + 过去分词 + 其他.
►Any books mustn’t be taken away.
一般疑问句式：
情态动词 + 主语 + be + 过去分词 + 其他?
►Can the housework be done by yourself in an hour?
Homework
Practice using “modal verb+be+done” to tell your partners rules at home after class.
Write the rules you have in the class and tell if you agree with them and why.
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